clk: sophgo: Add clock support for SG2000 SoC

Add init code for SG2000 SoC.

Signed-off-by: Inochi Amaoto <[email protected]>
Link: https://github.com/sophgo/sophgo-doc/releases/tag/sg2000-datasheet-v1.0-alpha
Link: https://lore.kernel.org/r/IA1PR20MB49537156E71B64483F15C0F2BB262@IA1PR20MB4953.namprd20.prod.outlook.com
Signed-off-by: Stephen Boyd <[email protected]>

Author: inochisa

drivers/clk/sophgo/clk-cv1800.c

@@ -1437,6 +1437,20 @@ static const struct cv1800_clk_desc cv1810_desc = {
 	.pre_init	= cv1810_pre_init,
 };
 
+static int sg2000_pre_init(struct device *dev, void __iomem *base,
+			   struct cv1800_clk_ctrl *ctrl,
+			   const struct cv1800_clk_desc *desc)
+{
+	cv18xx_clk_disable_auto_pd(base);
+
+	return 0;
+}
+
+static const struct cv1800_clk_desc sg2000_desc = {
+	.clks_data	= &cv1810_hw_clks,
+	.pre_init	= sg2000_pre_init,
+};
+
 static int cv1800_clk_init_ctrl(struct device *dev, void __iomem *reg,
 				struct cv1800_clk_ctrl *ctrl,
 				const struct cv1800_clk_desc *desc)
@@ -1506,6 +1520,7 @@ static int cv1800_clk_probe(struct platform_device *pdev)
 static const struct of_device_id cv1800_clk_ids[] = {
 	{ .compatible = "sophgo,cv1800-clk", .data = &cv1800_desc },
 	{ .compatible = "sophgo,cv1810-clk", .data = &cv1810_desc },
+	{ .compatible = "sophgo,sg2000-clk", .data = &sg2000_desc },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, cv1800_clk_ids);